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# Copyright 2014 Google Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Django model tests.
Unit tests for models and fields defined by the django_util helper.
"""
import base64
import pickle
from tests.contrib.django_util.models import CredentialsModel
import unittest2
from oauth2client._helpers import _from_bytes
from oauth2client.client import Credentials
from oauth2client.contrib.django_util.models import CredentialsField
class TestCredentialsField(unittest2.TestCase):
def setUp(self):
self.fake_model = CredentialsModel()
self.fake_model_field = self.fake_model._meta.get_field('credentials')
self.field = CredentialsField(null=True)
self.credentials = Credentials()
self.pickle_str = _from_bytes(
base64.b64encode(pickle.dumps(self.credentials)))
def test_field_is_text(self):
self.assertEqual(self.field.get_internal_type(), 'BinaryField')
def test_field_unpickled(self):
self.assertIsInstance(
self.field.to_python(self.pickle_str), Credentials)
def test_field_already_unpickled(self):
self.assertIsInstance(
self.field.to_python(self.credentials), Credentials)
def test_none_field_unpickled(self):
self.assertIsNone(self.field.to_python(None))
def test_from_db_value(self):
value = self.field.from_db_value(
self.pickle_str, None, None, None)
self.assertIsInstance(value, Credentials)
def test_field_unpickled_none(self):
self.assertEqual(self.field.to_python(None), None)
def test_field_pickled(self):
prep_value = self.field.get_db_prep_value(self.credentials,
connection=None)
self.assertEqual(prep_value, self.pickle_str)
def test_field_value_to_string(self):
self.fake_model.credentials = self.credentials
value_str = self.fake_model_field.value_to_string(self.fake_model)
self.assertEqual(value_str, self.pickle_str)
def test_field_value_to_string_none(self):
self.fake_model.credentials = None
value_str = self.fake_model_field.value_to_string(self.fake_model)
self.assertIsNone(value_str)
def test_credentials_without_null(self):
credentials = CredentialsField()
self.assertTrue(credentials.null)
class CredentialWithSetStore(CredentialsField):
def __init__(self):
self.model = CredentialWithSetStore
def set_store(self, storage):
pass # pragma: NO COVER
class FakeCredentialsModelMock(object):
credentials = CredentialWithSetStore()
class FakeCredentialsModelMockNoSet(object):
credentials = CredentialsField()
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